Dubrovnik: Blue Cave Tour by Speedboat

The best part of this Dubrovnik boat trip is the quick change of scenery. In four hours, you move from an open-air speedboat ride to sea caves, clear water, and a sandy beach with a cocktail bar. I especially like the chance to snorkel at both cave stops and the generous beach break at Šunj. Drinks are included, too, which is a welcome touch in the hot Dalmatian sun.

The trade-off is that this is an active outing, not a sightseeing cruise where you stay dry and seated. You need to swim into the caves, walk through shallow water to reach the beach, and cope with wind, spray, and sun on an open boat. Finding the correct departure boat may also take a few minutes at the busy meeting point, so arrive early and look for Antonio or a red shirt marked Adriatic Boat Tours.

Key points at a glance

• Three swimming stops: Visit Koločep’s Blue Cave, the Three Green Caves, and sandy Šunj Beach.
• Four hours on the water: The compact schedule gives you a taste of Dubrovnik’s nearby islands without taking a full day.
• Snorkeling gear included: You can swim and explore without bringing your own mask and snorkel.
• Drinks come with the trip: Water, beer, wine, and Coca-Cola are provided, while food and towels are not.
• Open speedboat ride: Expect sea spray, wind, sun, and a lively ride rather than a quiet, covered ferry crossing.
• A strong value at $82: Fuel, boat transport, drinks, snorkeling equipment, and a waterproof bag are included.

Why this four-hour trip works well

Dubrovnik is famous for its stone walls and crowded old-town streets, but the Adriatic is the real release valve on a hot day. This excursion gets you away from the pavement and onto the water quickly. You do not spend hours reaching distant islands. Instead, the route focuses on three stops that each offer something different.

The caves provide the most memorable swimming. Šunj provides the easiest rest. That contrast is useful: you get a little adventure, then time to stretch out on sand, eat, have a drink, and let the saltwater dry.

At $82 per person, the price is reasonable for a four-hour shared trip. Fuel is included, as are drinks, snorkeling gear, and a waterproof bag. You still pay separately for food at the beach bar, and you need to bring your own towel. The value is strongest if you plan to swim and snorkel. If you only want to sit in the sun, a regular beach outing may be simpler and less costly.

The tour has a 4.7 rating from 46 reviews, and the most praised details are practical ones: good boat handling, a pleasant music selection, impressive caves, and the soft sand and beach bar at Šunj. Captain Mario received particular praise for keeping the ride entertaining and controlling the boat well. The exact crew can vary, but that gives you a useful idea of the tone to expect.

Meeting at the library near Dubrovnik’s tour boats

The starting point is Knjižnica za društvene znanosti, a location used by many excursions. That can make the first few minutes confusing. Several boats may leave from the same general area, and one recent departure had to ask other crews before finding the right boat.

I would arrive with time to spare. Look for Antonio, a red shirt, or the Adriatic Boat Tours name. Do not simply board the first speedboat you see. This small bit of preparation matters, especially in summer when the waterfront is busy and boats can look similar.

The trip is shared rather than private. That keeps the price down, but you will not control the route or decide how long to stay at each stop. The schedule is fairly fixed, with roughly 30 minutes of boat travel to the first cave, 30 minutes at the Blue Cave, 10 minutes to the Three Green Caves, 45 minutes there, 15 minutes to Šunj, about an hour at the beach, and 30 minutes back.

The open speedboat ride to Koločep

The boat ride is part of the attraction, not just transportation. You feel the sea breeze and spray, and the open design gives you broad views as you leave Dubrovnik behind. The ride to the first stop takes about 30 minutes, so you have enough time to settle in and enjoy the change from city to sea.

This is also where you should dress for conditions rather than appearances. Wear swimwear under light clothing, bring sunglasses and sunscreen, and keep a towel handy. The wind can make the ride feel cooler than the beach, while the sun can burn you quickly once the boat stops.

A waterproof bag is supplied, which helps protect small essentials. Still, keep your phone, camera, and other valuables limited. Large bags and luggage are not allowed, and the boat has no toilet. Use the restroom before leaving. The only toilet available during the trip is at Šunj Beach.

The boat carries water, beer, wine, and Coca-Cola. That saves you from packing a full supply of drinks, though you should not assume food is included. Bring a credit card and cash for the beach bar and personal purchases.

Swimming into the Blue Cave

The Blue Cave on Koločep is the first major stop in the scheduled route, reached after about 30 minutes on the speedboat. You have around half an hour for swimming and snorkeling around the cave.

The appeal is the setting rather than a long guided explanation. You enter the water and explore the cave from sea level, looking into the shaded interior and around the rock formations. The water is described as crystal clear, so a mask and snorkel make sense here. The cave is at its best when you are comfortable moving through the water instead of watching from the boat.

You need to be a decent swimmer. This is not a stop where you walk straight into a dry cave entrance. The boat does not take you inside, and the activity requires swimming to get into the cave. If you are nervous in open water, ask yourself honestly if the main attraction will feel exciting or stressful.

The 30-minute stop goes quickly. Allow time to get your mask on, enter the water, swim into the cave, and return to the boat. It is better to focus on a relaxed swim than to rush around trying to see every corner.

Snorkeling equipment is provided, but you may prefer to bring your own mask if you have one that fits well. The supplied gear makes the trip easier for occasional snorkelers and keeps you from needing extra equipment in your luggage.

Exploring the Three Green Caves

The next boat ride is short, about 10 minutes, and leads to the Three Green Caves. You have roughly 45 minutes here for photographs, swimming, and snorkeling.

This stop gives you more time than the Blue Cave, so it feels less rushed. You can take photos from the boat, then get into the water when you are ready. The caves offer a different mood from the beach later in the day: rocky edges, shaded openings, and water that invites a closer look.

The name tells you what makes the stop visually distinctive, but you should expect natural rock spaces rather than a formal attraction with paths, signs, or facilities. Your access is by boat and water. That is part of the charm, but it also means you must be comfortable climbing back aboard after swimming.

A 45-minute stop is long enough for a good swim and some photos, though not long enough for an unhurried expedition. Keep your camera protected and follow the crew’s instructions about where to enter and exit the water. The boat’s crew will need to keep the group together and maintain a safe position in the caves.

Šunj Beach brings the easygoing finish

After another 15 minutes on the speedboat, you reach Šunj Beach on Lopud. This is the longest stop, lasting about an hour, and it changes the pace completely.

Instead of swimming from a boat into rocky cave openings, you walk through shallow water to reach the sandy shore. The soft sand is a welcome change after the rocks. You can swim, stretch out, visit the beach bar, or order food and a cocktail at your own expense.

This is the stop that makes the short tour feel balanced. The caves give you the memorable adventure, while Šunj lets you relax without watching the clock every few minutes. If your ideal afternoon includes saltwater followed by a drink in the sun, this part may be your favorite.

Do not expect the beach time to be private or completely unstructured. It is a popular stop, and your visit is limited to about 60 minutes. You also need to walk through shallow water to reach the sand, so flip-flops or secure water footwear are sensible.

Bring a towel because none is supplied. Sunscreen is just as important here as on the boat. The combination of bright sand, reflective water, and little shade can catch you off guard. The beach bar offers food and drinks, but those purchases are not part of the $82 price.

What is included, and what you still need

The inclusions are well matched to the activity:

• Snorkeling equipment
• Water, beer, wine, and Coca-Cola
• Fuel for the boat
• Waterproof bag

You need to bring or arrange:

• Towel
• Food
• Sunscreen
• Sunglasses
• Swimwear
• Flip-flops
• Camera
• Cash or credit card

Hotel pickup and drop-off are not included. You meet the boat at the stated starting point and return there at the end. That arrangement keeps the tour simple, but it means you should plan your own way to the meeting place.

There is no luggage storage on the boat, and large bags are not allowed. Pack lightly. A small day bag with sunscreen, towel, phone, and money is enough.

The ride back to Dubrovnik

The return trip takes about 30 minutes. By then, you will probably be sun-warmed, salty, and ready for a shower. The open boat gives you one more chance to enjoy the sea breeze, but it can also feel chilly if you are wet and the wind picks up.

This is where the boat experience matters. Captain Mario was praised for smooth control and a well-chosen music mix, details that can make a return ride feel relaxed rather than merely functional. The crew’s style may vary, but a capable captain is especially useful when the boat is moving between rocky cave areas and open water.

You arrive back at the same place where you started. Since the tour lasts only four hours, you still have much of the day available for Dubrovnik, a meal, or a slower afternoon.

Who should book this boat trip?

I would recommend it to confident swimmers, couples, friends, and families with older children who want several coastal experiences in one outing. It works especially well if you have limited time in Dubrovnik but want more than a standard harbor cruise.

You should be comfortable with an active day. You will enter and exit the sea, walk through shallow water, sit in an open boat, and spend time in strong sun. People prone to seasickness may find the speedboat uncomfortable. The tour is not suitable for pregnant women, wheelchair users, people with back problems, babies under one year, or people over 70.

It is also a good choice for anyone who values variety. The Blue Cave is short and atmospheric. The Three Green Caves allow a longer swim and photo stop. Šunj gives you sand, food, and a beach bar. No single stop carries the whole experience.

Practical booking advice

You can cancel up to 24 hours before departure for a full refund, and you can reserve now and pay later. That flexibility helps if you are arranging several activities around changing weather or cruise schedules.

Take the age and swimming requirements seriously. The tour is not designed for someone who wants to remain aboard while others explore the caves. If you cannot swim confidently, the cave portions will be difficult.

Check the departure time carefully when booking. A missed departure, delay, or incorrectly selected date does not qualify for a refund. Get to the meeting point early, identify the correct crew, and use the restroom before boarding.

Should you book the Blue Cave speedboat tour?

Book it if you want a short, active island outing with real swimming time, a sandy beach, and drinks included. At $82, the combination of boat transport, fuel, snorkeling gear, refreshments, and three coastal stops is fair value.

Skip it if you dislike open boats, get seasick, need a toilet close by, or prefer a calm beach day with no fixed schedule. For everyone else, this is a smart way to sample the Dubrovnik islands without giving up an entire day. The caves provide the memorable moments, and Šunj makes sure the afternoon ends comfortably.

FAQ

How long does the Dubrovnik Blue Cave tour last?

The tour lasts four hours, including the boat rides, cave stops, beach visit, and return to the starting point.

Where does the tour start and finish?

It starts and finishes at Knjižnica za društvene znanosti. Look for Antonio, a red shirt, or the Adriatic Boat Tours name.

Which caves does the boat visit?

The tour visits the Blue Cave on Koločep Island and the Three Green Caves at Koločep.

Do I need to know how to swim?

Yes. You need to swim to enter the caves, and you should be a decent swimmer. You also walk through shallow water to reach Šunj Beach.

Are drinks and snorkeling equipment included?

Yes. Snorkeling gear, water, beer, wine, and Coca-Cola are included. Food and towels are not included.

Is there a toilet on the speedboat?

No. The boat has no toilet. The only toilet available during the trip is at Šunj Beach, so use the restroom before departure.

Is this a private boat tour?

No. This is a shared group tour rather than a private excursion.